Question: In which language of work or name do heart has a pronunciation audio as Ru-сердце.ogg?
Paraphrase: Ruсердце.ogg means heart in what language of work or name?
SPARQL (Wikidata): SELECT ?value WHERE { wd:Q1072 p:P443 ?s . ?s ps:P443 ?x filter(contains(?x , 'Ru-сердце.ogg')) . ?s pq:P407 ?value}